March 2000
Intermediate to advanced
576 pages
18h 13m
English
Content preview from Delphi in a Nutshell
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Name
VarCopy Procedure
Syntax
procedure VarCopy(var Dest: Variant; const Source: Variant);
Description
VarCopy clears Dest and assigns
a copy of Source to Dest.
VarCopy is not a real function.
Tips and Tricks
Assigning
Dest:=Sourceends up calling theVarCopyprocedure, but assignment is sometimes more efficient.If
Destis anOleVariant, andSourceis aVariantof typevarString,VarCopyautomatically converts the type tovarOleStr.
See Also
| OleVariant Type, Variant Type |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.